<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Index</title>
    <link href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/4.6.2/css/bootstrap.min.css" rel="stylesheet">
    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.4/jquery.min.js"></script>
    <script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/4.6.2/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
    <form action="" method="post" enctype="multipart/form-data">
        <input type="file" name="myfile" class="file-upload mt-auto">
        <br>
        <input type="submit" class="btn btn-success">
    </form>
</div>


</body>
</html>